obama's stimulus money help, he blasted the opponent. >> we're the nine million jobs that the president promised. >> reporter: president obama targeted the most loyal supporters without ever leaving washington, courting young voters now on tv. >> we now have to go directly to the source, the colleges and universities and say you have to work on cutting tuition. >> reporter: later, working on the undecideds. >> the major issue in any election, can you count on the purpose you put into office fighting for you, with a clear set of convictions >> reporter: meanwhile, the romney campaign's national co-chair, john sununu, criticized them of using stereotypes. >> how lazy, detached he is. >> reporter: backing away from new comments on cnn's questioning why colin powell endorsed the president. >> when you take a look at colin powell is that an endorsement based on issues, or a slightly different reason for preferring president obama. >> what reason would that be? >> well, i think when you have somebody of your own race that you're proud of being president of the united states. i applaud colin f